Subject ASC0003h9a
The Journal of the Quekett Microscopical Club.
ser. 2, v. 10 (1907-1909), Page 354 (1907-1909)
MBLWHOI Library
BHL Page 2177849
Keywords
mirror microscope adjustable how to projection microscope attachment w.imboden project projection apparatus drawing apparatus microscope draw-tube ocular angle magnification camera obscura